rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (12 ticks this GP) idle=497c/1/0x4000000000000000 softirq=20125/20125 fqs=5112
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1133080          0            0
rcu: 	cputime:    16917      35591            0   ==> 52500(ms)
rcu: 	(detected by 1, t=10502 jiffies, g=13077, q=2217 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7169 Comm: syz.1.556 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:native_apic_msr_eoi+0xf/0x20
Code: f8 c3 cc cc cc cc cc 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa b9 0b 08 00 00 31 c0 31 d2 0f 30 <e9> 8c 14 00 0a cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc90000007a00 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffc90000007a38 RCX: 000000000000080b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: ffff88804b023b0f R09: 1ffff11009604761
R10: dffffc0000000000 R11: ffffed1009604762 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f02d81446c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f02d8143fc8 CR3: 000000010fe56000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __sysvec_irq_work+0x11/0x3d0
 sysvec_irq_work+0x4f/0xc0
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:rcu_read_unlock_special+0xdf/0x4c0
Code: 00 0f 85 65 03 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 49 89 ff 48 c7 84 24 80 00 00 00 00 00 00 00 <9c> 8f 84 24 80 00 00 00 4c 8b a4 24 80 00 00 00 fa 41 f7 c4 00 02
RSP: 0018:ffffc90000007ae0 EFLAGS: 00000246
RAX: f2f2f200f1f1f1f1 RBX: 1ffff92000000f64 RCX: fce88f7df6f51a00
RDX: 0000000000000002 RSI: ffffffff8db8641b RDI: ffff888021030000
RBP: ffffc90000007be0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 1ffff11004206088
R13: dffffc0000000000 R14: 0000000000000101 R15: ffff888021030000
 __rcu_read_unlock+0x84/0xe0
 ieee80211_rx_napi+0x228/0x3d0
 ieee80211_handle_queued_frames+0xe8/0x1f0
 tasklet_action_common+0x36c/0x580
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 5b 22 21 f6 e8 96 f5 57 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc9000315f5a0 EFLAGS: 00000286
RAX: fce88f7df6f51a00 RBX: 0000000000000000 RCX: fce88f7df6f51a00
RDX: 0000000000000006 RSI: ffffffff8d99873a RDI: 0000000000000001
RBP: ffffc9000315f640 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200062beb4
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:memset_orig+0x3/0xb0
Code: 40 88 f0 48 89 d1 f3 aa 4c 89 c8 e9 57 b6 02 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 fa <40> 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 48 0f af c1 41 89 f9 41
RSP: 0018:ffffc9000315f700 EFLAGS: 00000246
RAX: ffff88801dfe1000 RBX: ffff88801dfe1028 RCX: 0000000000001c01
RDX: 0000000000000138 RSI: 0000000000000000 RDI: ffff88801dfe1028
RBP: 0000000000000cc0 R08: 0000000047c6782d R09: 00000000c19fd35a
R10: ffff88801dfe1028 R11: ffffffff81acf520 R12: ffff88801dfe1028
R13: 0000000000000138 R14: ffff88801b68f780 R15: 0000000000000000
 kmem_cache_alloc_lru_noprof+0x1ea/0x3d0
 __d_alloc+0x31/0x6f0
 d_alloc_parallel+0xe0/0x14e0
 path_openat+0xa3b/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f02d738e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f02d8144038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f02d75b5fa0 RCX: 00007f02d738e9a9
RDX: 00000000000026e1 RSI: 00002000000000c0 RDI: ffffffffffffff9c
RBP: 00007f02d7410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f02d75b5fa0 R15: 00007ffd44ab5348
 </TASK>
